<!DOCTYPE html>
<html lang="zh-CN">
    <head>
        <meta charset="UTF-8">
        <title>变量污染演示</title>
    </head>
    <body>
        <script src="./polution_One.js"></script>
        <script src="./polution_Two.js"></script>
        <script>
    document.write(name)
   </script>
        <div>
        </div>
    </body>
</html>